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ADM8845ACPZ-REEL PDF预览

ADM8845ACPZ-REEL

更新时间: 2024-01-02 12:39:34
品牌 Logo 应用领域
亚德诺 - ADI 驱动器
页数 文件大小 规格书
20页 372K
描述
Charge Pump Driver for 6 White LED LCD Backlights

ADM8845ACPZ-REEL 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC16,.12SQ,20针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.32
Is Samacsys:N接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:S-XQCC-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:3
复用显示功能:NO功能数量:1
区段数:6端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC16,.12SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
电源:2.6/5.5 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Display Drivers
最大供电电压:5.5 V最小供电电压:2.6 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

ADM8845ACPZ-REEL 数据手册

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ADM8845  
SPECIFICATIONS  
VCC = 2.6 V to 5.5 V; TA = −40°C to +85°C, unless otherwise noted; C1,C2 = 1.0 µF; C3 = 2.2 µF; C4 = 4.7 µF  
Table 1.  
Parameter  
Min  
Typ  
Max  
5.5  
5
Unit  
V
Test Conditions  
INPUT VOLTAGE, VCC  
SUPPLY CURRENT, ICC  
2.6  
2.6  
mA  
All six LEDs disabled, VCC = 3.3 V, RSET = 7.08 kΩ  
CTRL1 = 1, CRTL2 = 1  
SHUTDOWN CURRENT  
CHARGE PUMP FREQUENCY  
CHARGE PUMP MODE THRESHOLDS  
1.5× to 2×  
Accuracy  
2× to 1.5×  
Accuracy  
Hysteresis  
1× to 1.5×  
5
µA  
1.5  
MHz  
3.33  
3.36  
V
%
V
%
mV  
V
4
4
40  
4.77  
Accuracy  
1.5× to 1×  
Accuracy  
Hysteresis  
4
4
%
V
%
mV  
4.81  
40  
ISET PIN  
LED : LED Matching  
LED : ISET Accuracy  
−1  
−1  
+1  
+1  
%
%
ILED = 20 mA, VFB =0.4 V  
ILED = 20 mA, RSET = 7.08 kΩ, VFB = 0.4 V, VCC = 3.6 V,  
TA = 25°C  
ISET Pin Voltage  
ILED to ISET Ratio  
1.18  
120  
0.2  
1.2  
3.5  
V
MIN COMPLIANCE ON FBx PIN  
Charge Pump Output Resistance  
0.3  
1.8  
5.1  
14  
V
ISET = 20 mA  
1× mode  
1.5× mode  
2× mode  
8.0  
LED Current  
PWM  
30  
mA  
kHz  
See Note 1 and Figure 21  
0.1  
200  
DIGITAL INPUTS  
Input High  
0.5 VCC  
V
Input Low  
0.3 VCC  
1
V
µA  
%
Input Leakage Current  
CHARGE PUMP POWER EFFICIENCY  
VOUT RIPPLE  
88  
30  
CTRL1 = 1, CRTL2 = 1, VCC = 3.4 V, VFB = 0.2 V, IFB = 20 mA  
VCC = 3.6 V, ILED = 20 mA, all six LEDs enabled  
m V  
_______________________  
1 Guaranteed by design. Not 100% production tested.  
Rev. 0 | Page 3 of 20  
 

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